What are the available platforms to sell Ebooks?

There are several platforms available for selling ebooks online, including:

Amazon...

Amazon Kindle Direct Publishing (KDP): KDP is a platform that allows authors to publish and sell their ebooks on Amazon.com. It offers tools for formatting and converting books into the Kindle format, as well as tools for setting prices, creating promotional materials, and tracking sales. Authors can choose to enroll their books in the Kindle Unlimited program, which allows customers to read their books for free as part of a subscription service. KDP pays royalties based on the list price of the book and the territory in which it is sold.

Apple Books: Apple Books is a platform for selling ebooks on the Apple Books Store, which is available on iOS and macOS devices. Authors can use the Apple Books platform to upload and sell their ebooks, and can choose to enroll their books in the Apple Books affiliate program, which allows other websites and apps to promote and sell their books in exchange for a commission. Apple pays royalties based on the list price of the book and the territory in which it is sold.

Kobo Writing Life: Kobo Writing Life is a platform for publishing and selling ebooks on the Kobo Store, as well as on other retail and library websites. It offers tools for formatting and converting books into the Kobo format, as well as tools for setting prices, creating promotional materials, and tracking sales. Kobo pays royalties based on the list price of the book and the territory in which it is sold.

Nook Press: Nook Press is a platform for publishing and selling ebooks on the Barnes & Noble Nook Store, as well as on other retail and library websites. It offers tools for formatting and converting books into the Nook format, as well as tools for setting prices, creating promotional materials, and tracking sales. Nook Press pays royalties based on the list price of the book and the territory in which it is sold.

Google Play Books: Google Play Books is a platform for selling ebooks on the Google Play Store, which is available on Android devices and the web. Authors can use the Google Play Books platform to upload and sell their ebooks, and can choose to enroll their books in the Google Play Books Partner Program, which allows other websites and apps to promote and sell their books in exchange for a commission. Google Play Books pays royalties based on the list price of the book and the territory in which it is sold.

Draft2Digital: Draft2Digital is a distribution platform that allows authors to publish and sell their ebooks on a variety of retailers, including Amazon, Apple Books, Kobo, and others. It offers tools for formatting and converting books into the required formats, as well as tools for setting prices, creating promotional materials, and tracking sales. Draft2Digital pays royalties based on the list price of the book and the territory in which it is sold, and takes a commission on each sale.

Smashwords: Smashwords is a distribution platform that allows authors to publish and sell their ebooks on a variety of retailers, including Apple Books, Kobo, and others. It offers tools for formatting and converting books into the required formats, as well as tools for setting prices, creating promotional materials, and tracking sales. Smashwords pays royalties based on the list price of the book and the territory in which it is sold, and takes a commission on each sale.